mirror of
https://github.com/NixOS/nixpkgs.git
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78 lines
2.2 KiB
Nix
78 lines
2.2 KiB
Nix
{ stdenv
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, fetchurl
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, addOpenGLRunpath
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, cudaSupport ? false, symlinkJoin, cudatoolkit, cudnn, nvidia_x11
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}:
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with stdenv.lib;
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let
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unavailable = throw "libtensorflow is not available for this platform!";
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tfType = if cudaSupport then "gpu" else "cpu";
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system =
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if stdenv.isLinux then "linux"
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else if stdenv.isDarwin then "darwin"
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else unavailable;
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platform =
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if stdenv.isx86_64 then "x86_64"
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else unavailable;
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rpath = makeLibraryPath ([stdenv.cc.libc stdenv.cc.cc.lib] ++
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optionals cudaSupport [ cudatoolkit.out cudatoolkit.lib cudnn nvidia_x11 ]);
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packages = import ./binary-hashes.nix;
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packageName = "${tfType}-${system}-${platform}";
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url = packages.${packageName} or unavailable;
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patchLibs =
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if stdenv.isDarwin
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then ''
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install_name_tool -id $out/lib/libtensorflow.dylib $out/lib/libtensorflow.dylib
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install_name_tool -id $out/lib/libtensorflow_framework.dylib $out/lib/libtensorflow_framework.dylib
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''
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else ''
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patchelf --set-rpath "${rpath}:$out/lib" $out/lib/libtensorflow.so
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patchelf --set-rpath "${rpath}" $out/lib/libtensorflow_framework.so
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${optionalString cudaSupport ''
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addOpenGLRunpath $out/lib/libtensorflow.so $out/lib/libtensorflow_framework.so
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''}
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'';
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in stdenv.mkDerivation rec {
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pname = "libtensorflow";
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inherit (packages) version;
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src = fetchurl url;
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nativeBuildInputs = optional cudaSupport addOpenGLRunpath;
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# Patch library to use our libc, libstdc++ and others
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buildCommand = ''
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mkdir -pv $out
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tar -C $out -xzf $src
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chmod -R +w $out
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${patchLibs}
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# Write pkgconfig file.
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mkdir $out/lib/pkgconfig
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cat > $out/lib/pkgconfig/tensorflow.pc << EOF
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Name: TensorFlow
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Version: ${version}
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Description: Library for computation using data flow graphs for scalable machine learning
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Requires:
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Libs: -L$out/lib -ltensorflow
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Cflags: -I$out/include/tensorflow
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EOF
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'';
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meta = {
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description = "C API for TensorFlow";
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homepage = "https://www.tensorflow.org/install/lang_c";
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license = licenses.asl20;
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platforms = [ "x86_64-linux" "x86_64-darwin" ];
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maintainers = with maintainers; [ basvandijk ];
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};
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}
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